How I Built agent-pr-firewall: A GitHub App PR Governance Check

Published: 1 month ago (March 11, 2026 at 07:36 AM EDT)

1 min read

Source: Dev.to

Source: Dev.to

AI‑assisted coding increased risky PR patterns in my workflow. I built agent‑pr‑firewall to enforce one required governance check before merge, with policy‑based pass / warn / block decisions.

Why CI alone was not enough

The policy model (pass/warn/block)

GitHub App webhook architecture

Policies that matter in practice

Branch protection as the enforcement point

Observability and failure handling

Lessons learned and next steps

Repository:
Release:
Proof PR / checks:

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